<?php
/**
 * Copyright (c) 2009, Jacek Karczmarczyk
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 * - Neither the name of the author nor the names of its contributors may be
 *   used to endorse or promote products derived from this software without
 *   specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 *
 * PHP Version 5
 *
 * @package Larchana_View
 * @version 0.1
 * @author Jacek Karczmarczyk <jacek@karczmarczyk.pl>
 */


class Larchana_View_Helper_Join extends Zend_View_Helper_Abstract
{
	/**
	 * Joins the elements with glue 
	 * @param <type> $item
	 * @param array $params
	 * @return <type>
	 */
	public function join($item, array $params = array())
	{
		if (!isset($params['elements']) || !is_array($params['elements'])) return '';

		$escape = isset($params['escape']) ? !!$params['escape'] : false;

		$outputArray = array();
		foreach($params['elements'] as $element)
		{
			if ($item->$element)
				$outputArray[] = $escape ? $this->view->escape($item->$element) : $item->$element;
		}

		$glue = isset($params['glue']) ? $params['glue'] : '';
		return implode($glue, $outputArray);
	}
}

